Add learning rate scheduling support for `DeepSpeedStrategy` (#20320)
* Update fabric.py
* Update deepspeed.py
* Update fsdp.py
* Update strategy.py
* Update xla_fsdp.py
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Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Luca Antiga <luca.antiga@gmail.com>
Co-authored-by: Luca Antiga <luca@lightning.ai>
Co-authored-by: Jirka Borovec <6035284+Borda@users.noreply.github.com>
Co-authored-by: Jirka B <j.borovec+github@gmail.com>